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# LibrePCB
[](https://dev.azure.com/LibrePCB/LibrePCB/_build/latest?definitionId=2&branchName=master)
[](https://www.patreon.com/librepcb)
[](https://blockchain.info/address/1FiXZxoXe3px1nNuNygRb1NwcYr6U8AvG8)
[](https://webchat.freenode.net/?channels=#librepcb)
## About LibrePCB
LibrePCB is a free
[EDA](https://en.wikipedia.org/wiki/Electronic_design_automation) software to
develop printed circuit boards. It runs on Linux, Windows and Mac. The project
is still in a rather early development stage. See
[Project Status](https://docs.librepcb.org/#projectstatus) for more information
about the currently available features, limitations and known bugs.
### Features
- Cross-platform (Unix/Linux/BSD/Solaris, macOS, Windows)
- Multilingual (both application and library elements)
- All-In-One: project management + library/schematic/board editors
- Intuitive, modern and easy-to-use graphical user interface
- Very powerful library design with some innovative concepts
- Human-readable file formats for both libraries and projects
- Multi-PCB feature (different PCB variants of the same schematic)
- Automatic netlist synchronisation between schematic and board
## Installation & Usage
**Official stable releases are provided at our
[download page](https://librepcb.org/download/).**
**Please read our [user manual](https://docs.librepcb.org/) to see how you can
install and use LibrePCB.**
The [Getting Started](https://docs.librepcb.org/#gettingstarted) guide
gives you a quick introduction to LibrePCB.
## Contributing
Contributions are welcome! See our [Contributing Guide](CONTRIBUTING.md) for
details.
For internal details take a look at the
[automatically generated documentation (doxygen)](https://doxygen.librepcb.org/)
## Development
***WARNING: The `master` branch always contains the latest UNSTABLE version of
LibrePCB. Everything you do with this unstable version could break your
workspace, libraries or projects, so you should not use it productively! For
productive use, please install an official release as described in the
[user manual](https://docs.librepcb.org/). For development, please read details
[here](https://developers.librepcb.org/df/d30/doc_developers.html#doc_developers_unstable_versions).***
Instead of building LibrePCB manually, Arch Linux users could install the
package [librepcb-git](https://aur.archlinux.org/packages/librepcb-git/) from
the AUR. The package clones and builds the latest (unstable!) version of the
`master` branch from GitHub.
### Requirements
To compile LibrePCB, you need the following software components:
- g++ >= 4.8, MinGW >= 4.8, or Clang >= 3.3 (C++11 support is required)
- [Qt](http://www.qt.io/download-open-source/) >= 5.5
- [zlib](http://www.zlib.net/)
- [OpenSSL](https://www.openssl.org/)
- [CMake](https://cmake.org/) 3.5 or newer
#### Prepared Docker Image
Instead of installing the dependencies manually on your system (see instructions
below), you can also use one of our
[Docker images](https://hub.docker.com/r/librepcb/librepcb-dev) with all
dependencies pre-installed (except GUI tools like QtCreator). These images are
actually used for CI, but are also useful to build LibrePCB locally.
#### Installation on Debian/Ubuntu/Mint
*Note: For Ubuntu older than 22.04, replace `qtbase5-dev` by `qt5-default`.*
```bash
sudo apt-get install git build-essential qtbase5-dev qttools5-dev-tools qttools5-dev \
libglu1-mesa-dev openssl zlib1g zlib1g-dev libqt5opengl5-dev libqt5svg5-dev cmake
sudo apt-get install qt5-doc qtcreator # optional
```
#### Installation on Arch Linux
```bash
sudo pacman -S git base-devel qt5-base qt5-svg qt5-tools desktop-file-utils shared-mime-info \
openssl zlib cmake
sudo pacman -S qt5-doc qtcreator # optional
```
#### Installation on Mac OS X
1. Install Xcode through the app store and start it at least once (for the license)
2. Install [homebrew](https://github.com/Homebrew/brew) (**the** package manager)
3. Install *qt5* and *cmake*: `brew update && brew install qt5 cmake`
4. Make the toolchain available: `brew unlink qt && brew link --force qt5`
#### Installation on Windows
Download and run the
[Qt for Windows (MinGW) installer](http://download.qt.io/official_releases/qt/5.8/5.8.0/qt-opensource-windows-x86-mingw530-5.8.0.exe)
from [here](https://www.qt.io/download-open-source/). LibrePCB does not compile
with MSVC, so you must install following components with the Qt installer:
- The MinGW compiler itself
- The Qt libraries for MinGW
- cmake
### Cloning
It's important to clone the repository recursively to get all submodules too:
```bash
git clone --recursive https://github.com/LibrePCB/LibrePCB.git && cd LibrePCB
```
### Updating
When updating the repository, make sure to also update all the submodules
recursively. Otherwise you may get strange compilation errors:
```bash
git submodule update --init --recursive
```
### Building
You can either build LibrePCB using Qt Creator, or you can build on the command
line using cmake. To build LibrePCB using cmake/make:
```bash
mkdir build && cd build
cmake ..
make -j8
```
The binary can then be found in `build/apps/librepcb/`.
For more detailed instructions (including how to set up Qt Creator), see
https://developers.librepcb.org/d5/d96/doc_building.html
## Credits
- First of all, many thanks to all of our [contributors](AUTHORS.md)!
- Thanks also to [cloudscale.ch](https://www.cloudscale.ch/) for sponsoring our
API server!
## License
LibrePCB is published under the [GNU GPLv3](http://www.gnu.org/licenses/gpl-3.0.html) license.
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